This standard specifies the requirements, sampling, test methods, inspection rules, signs, labels, packaging, transportation and storage of weakly acidic pink B (CI acid red 138) products. This standard is applicable to the product quality control of weakly acidic pink B.
HG/T 4427-2012 Referenced Document
GB 19601 Limit and determination of 23 harmful aromatic amines in dye products*, 2013-09-06 Update
GB 20814 Limit and determination of the quantity of heavy-metal elements in dye products*, 2014-07-24 Update